GB809717A - Production of olefine polymers - Google Patents

Production of olefine polymers

Info

Publication number
GB809717A
GB809717A GB1747/57A GB174757A GB809717A GB 809717 A GB809717 A GB 809717A GB 1747/57 A GB1747/57 A GB 1747/57A GB 174757 A GB174757 A GB 174757A GB 809717 A GB809717 A GB 809717A
Authority
GB
United Kingdom
Prior art keywords
compounds
aluminium
groups
specified
mixtures
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1747/57A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF SE
Original Assignee
BASF SE
Badische Anilin and Sodafabrik AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BASF SE, Badische Anilin and Sodafabrik AG filed Critical BASF SE
Publication of GB809717A publication Critical patent/GB809717A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
GB1747/57A 1956-01-18 1957-01-17 Production of olefine polymers Expired GB809717A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEB38770A DE1026961B (de) 1956-01-18 1956-01-18 Verfahren zur Herstellung von Polymerisaten des AEthylens
DEB41165A DE1081227B (de) 1956-01-18 1956-07-26 Verfahren zur Herstellung von Polymerisaten des AEthylens

Publications (1)

Publication Number Publication Date
GB809717A true GB809717A (en) 1959-03-04

Family

ID=25965120

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1747/57A Expired GB809717A (en) 1956-01-18 1957-01-17 Production of olefine polymers

Country Status (7)

Country Link
US (1) US3116274A (es)
BE (1) BE554242A (es)
DE (2) DE1026961B (es)
FR (1) FR1171450A (es)
GB (1) GB809717A (es)
IT (1) IT569041A (es)
NL (2) NL213771A (es)

Cited By (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3099647A (en) * 1960-11-04 1963-07-30 Sun Oil Co Propylene polymerization catalyst consisting of aluminum sesquihalide, ticl3 and triethylene diamine
US3100764A (en) * 1960-08-04 1963-08-13 Sun Oil Co Control of pentane-soluble polymers in the polymerization of propylene
US3108145A (en) * 1960-11-29 1963-10-22 Sun Oil Co Preparation of olefin polymers
US3116274A (en) * 1956-01-18 1963-12-31 Basf Ag Production of olefine polymers
US3116273A (en) * 1960-10-31 1963-12-31 Phillips Petroleum Co Polymerization of butadiene with a mccl5-air3-ether or amine or amideiodine catalyst
US3129209A (en) * 1960-11-14 1964-04-14 Sun Oil Co Process for the polymerization of alpha olefins
US3139418A (en) * 1957-12-23 1964-06-30 Montedison Spa Three component catalyst for polymerization of 1-olefins containing titanium halide, aluminum alkyl, and pyridine
US3146224A (en) * 1960-11-25 1964-08-25 Eastman Kodak Co Process for producing reduced transition metal halides
US3147238A (en) * 1959-04-27 1964-09-01 Shell Oil Co Olefin polymerization process
US3147240A (en) * 1960-10-17 1964-09-01 Eastman Kodak Co Three-component alkyl aluminum halide catalysts for olefin polymerization and olefinpolymerization process therewith
US3155626A (en) * 1959-08-17 1964-11-03 Shell Oil Co Polymerization catalyst
US3168588A (en) * 1960-09-14 1965-02-02 Exxon Research Engineering Co Polymerized ethylene lubricating oils from alkanol modified catalysts
US3189591A (en) * 1960-04-28 1965-06-15 Montedison Spa Process for polymerizing alpha-olefins with an organo aluminum compound, transition metal halide, organo nitrogen base and water catalyst
US3196137A (en) * 1961-06-23 1965-07-20 Firestone Tire & Rubber Co Polymerization catalysts and process
US3203940A (en) * 1962-10-04 1965-08-31 Hercules Powder Co Ltd Olefin copolymerization process
US3205209A (en) * 1961-04-20 1965-09-07 Firestone Tire & Rubber Co Process for the polymerization of ethylenically unsaturated compound in the presenceof a pentahydrocarbon ammonium compound and a heravy metal compound
US3206448A (en) * 1962-07-23 1965-09-14 Phillips Petroleum Co Polymerization process and catalyst
US3210329A (en) * 1960-10-24 1965-10-05 Monsanto Co Complex catalysts comprising organometallic compound, metallic halides and dioxane for the polymerization of polar monomers
US3219651A (en) * 1958-09-17 1965-11-23 Gulf Oil Corp Process for the polymerization of ethylene in the presence of a ziegler-type catalyst and as a catalytic modifter a polydentate compound
US3219650A (en) * 1958-09-17 1965-11-23 Gulf Oil Corp Process for the polymerization of diolefins
US3240770A (en) * 1961-05-02 1966-03-15 Snam Societa Per Azioni Process for the polymerization and copolymerization of alpha-mono-olefins
US3252959A (en) * 1960-12-29 1966-05-24 Montedison Spa Process for the preparation of a supported catalyst for the stereospecific polymerization of alpha-olefins in vapor phase
US3259610A (en) * 1962-02-12 1966-07-05 Ethyl Corp Polymerization process and catalyst therefor
US3296338A (en) * 1962-12-10 1967-01-03 Avisun Corp Block copolymers of ethylene and propylene
US3313741A (en) * 1962-09-28 1967-04-11 Gen Tire & Rubber Co Preparation of stabilized polymerization catalysts and their use
US3318859A (en) * 1962-10-26 1967-05-09 Stamicarbon Process for the preparation of polypropylene
US3336280A (en) * 1960-10-14 1967-08-15 Phillips Petroleum Co Process for production of rubbery polymers
US3340241A (en) * 1960-10-24 1967-09-05 Montedison Spa Process for producing elastomeric copolymers of ethylene with higher alpha-olefins
US3356668A (en) * 1963-01-10 1967-12-05 Solvay & Cie Soc En Commandite Process and catalyst for the polymerization of olefins
US3377326A (en) * 1963-08-26 1968-04-09 Uniroyal Inc Process for copolymerizing olefins utilizing vanadium oxytrichloride, alkyl aluminum sesquichloride, phosphorus trichloride and 2-nitropropane as catalyst
US3441551A (en) * 1961-05-01 1969-04-29 Avisun Corp Novel catalyst and olefin polymerization therewith
US3462399A (en) * 1963-08-26 1969-08-19 Uniroyal Inc Method of copolymerizing ethylene and propylene
EP0034935A1 (en) * 1980-02-21 1981-09-02 Sumitomo Chemical Company, Limited Titanium trichloride catalyst and process for production of alpha-olefin polymers
EP0035896A1 (en) * 1980-03-07 1981-09-16 Mitsui Petrochemical Industries, Ltd. Method for treating an olefin polymer to remove catalyst residue therefrom and shaped articles of the treated polymer
EP0072128A2 (en) 1981-08-07 1983-02-16 Imperial Chemical Industries Plc Spraying solid
EP0106141A1 (en) * 1982-09-10 1984-04-25 Montedison S.p.A. Catalyst components and catalysts for the polymerization of olefins
EP0116709A1 (de) * 1982-12-24 1984-08-29 BASF Aktiengesellschaft Verfahren zum Herstellen von Homo- und Copolymerisaten von alpha-Monoolefinen mittels eines Ziegler-Natta-Katalysatorsystems

Families Citing this family (68)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB880998A (en) * 1962-01-01 1961-11-01 Dunlop Rubber Co Polymerisation of unsaturated aliph atic compounds and catalyst therefor
US3150122A (en) * 1957-11-07 1964-09-22 Monsanto Co Production of high-density ziegler polymers
NL135973C (es) * 1957-12-11
FR1171437A (fr) * 1958-01-27 1959-01-26 Eastman Kodak Co Procédé de fabrication de polyoléfines, produits obtenus et catalyseurs pour la mise en oeuvre de ce procédé
US3232920A (en) * 1958-03-06 1966-02-01 Phillips Petroleum Co Preparation of rubbery polymers of butadiene
DE1098715B (de) * 1958-04-16 1961-02-02 Huels Chemische Werke Ag Verfahren zur Niederdruckpolymerisation von Olefinen
US3071567A (en) * 1958-06-26 1963-01-01 Exxon Research Engineering Co Butyl rubber polymerization system
NL244821A (es) * 1958-10-30
DE1139646B (de) * 1958-12-19 1962-11-15 Goodrich Gulf Chem Inc Verfahren zur Polymerisation von Butadien-(1, 3)-Kohlenwasserstoffen
NL236567A (es) * 1959-02-27
NL246569A (es) * 1959-04-07
BE588939A (es) * 1959-06-18
US3119798A (en) * 1960-01-27 1964-01-28 Phillips Petroleum Co Production of solid olefin polymers
DE1110867B (de) * 1960-04-13 1961-07-13 Grace W R & Co Verfahren zur Herstellung von Polystyrol mit hohem isotaktischem Gehalt
NL266251A (es) * 1960-07-01
US3156681A (en) * 1960-08-15 1964-11-10 Celanese Corp Polymerization process
NL289135A (es) * 1960-10-26
NL126041C (es) * 1960-10-31
US3147241A (en) * 1961-06-30 1964-09-01 Phillips Petroleum Co Use of hydrogen and quaternary ammonium halides in organometal catalyzed olefin polymrization
NL287065A (es) * 1961-10-31
US3350378A (en) * 1961-11-17 1967-10-31 Polymer Corp 1, 3 butadiene polymers
US3219589A (en) * 1961-12-06 1965-11-23 Continental Oil Co Catalyst systems and methods of making catalysts
NL133353C (es) * 1962-01-24
GB1010790A (en) * 1962-07-12 1965-11-24 Montedison Spa Olefin copolymers
US3269996A (en) * 1962-09-18 1966-08-30 Exxon Research Engineering Co Three-component polymerization catalysts containing coordination complexes
NL298836A (es) * 1962-10-22
DE1180528B (de) * 1963-01-16 1964-10-29 Huels Chemische Werke Ag Verfahren zur Regelung des Molekulargewichts von Polydiolefinen
BE637139A (es) * 1963-02-04
US3210332A (en) * 1963-05-03 1965-10-05 Phillips Petroleum Co Production of solid olefin polymers
US3338842A (en) * 1963-05-29 1967-08-29 Ethyl Corp Catalysts for the preparation of tetramethyllead
US3222296A (en) * 1963-07-29 1965-12-07 Cabot Corp Lewis base stabilization of polymerization catalyst in storage
CA966950A (en) * 1963-08-27 1975-04-29 Robert Bacskai "OMEGA-HALO-.alpha.-OLEFIN COPOLYMERS AND PROCESS FOR MAKING SAME"
US3311600A (en) * 1964-06-12 1967-03-28 Chevron Res Copolymers of alpha-monoolefins and omega-halo-mono-alpha-olefins
GB961009A (en) * 1964-07-14 1964-06-17 Sun Oil Co Preparation of synthetic lubricating oil
US3240773A (en) * 1964-07-22 1966-03-15 Shell Oil Co Polymerization of alpha-monoolefins in the presence of titanium trichloride, organometallic reducing agent comprising zinc dihydrocarbyl, and an organic amine
US3400112A (en) * 1964-11-02 1968-09-03 Shell Oil Co Polymerization catalysts and process
FR1427204A (fr) * 1964-12-24 1966-02-04 Solvay Procédé de polymérisation des oléfines
DE1256424B (de) * 1965-01-20 1967-12-14 Vickers Zimmer Ag Planung Verfahren zur Polymerisation von olefinisch ungesaettigten Kohlenwasserstoffen
US3357928A (en) * 1965-03-31 1967-12-12 Ethyl Corp Co-catalyst compositions for the preparation of tetramethyllead
DE1253917B (de) * 1965-05-24 1967-11-09 Bayer Ag Verfahren zur Loesungspolymerisation von Isopren
NL129895C (es) * 1965-08-16
US3403197A (en) * 1965-12-01 1968-09-24 Exxon Research Engineering Co Preparation of unsaturated oils with a crystalline violet titanium trichloride and ethyl aluminum dihalide catalyst
US3492281A (en) * 1967-06-29 1970-01-27 Goodyear Tire & Rubber Process for the polymerization of diolefins with beta titanium trichloride and organoaluminum compounds
US3524840A (en) * 1968-09-11 1970-08-18 Gen Tire & Rubber Co Catalysts for the polymerization of 1,3-butadiene,their methods of preparation and use
NL162664B (nl) * 1969-06-20 1980-01-15 Montedison Spa Werkwijze om een katalysator te bereiden voor de poly- merisatie van alkenen-1.
US4057680A (en) * 1969-11-26 1977-11-08 Showa Denko Kabushiki Kaisha Method of polymerizing α-olefins
DE2101684A1 (de) * 1971-01-15 1972-07-20 Bayer Ungesättigte Polymere mit reaktiven Gruppen
CH543546A (fr) * 1971-03-23 1973-10-31 Solvay Système catalytique de polymérisation des alpha-oléfines
US4015060A (en) * 1971-11-08 1977-03-29 Standard Oil Company (Indiana) Catalyst and process for the polymerization of olefins
US4317898A (en) * 1972-01-31 1982-03-02 Standard Oil Company (Indiana) Catalyst and process for the polymerization of olefins
US3882046A (en) * 1973-01-03 1975-05-06 Anatoly Dmitrievich Pomogailo Catalyst for polymerization and copolymerization of olefines and a method for preparing same
IT979092B (it) * 1973-02-14 1974-09-30 Montedison Spa Catalizzatori di metatesi a 3 componenti
JPS5236877B2 (es) * 1973-11-02 1977-09-19
US4207205A (en) * 1975-10-16 1980-06-10 Exxon Research & Engineering Co. Reduction of TiCl4 with reducing agents modified with Lewis bases
FR2340131A1 (fr) * 1976-02-03 1977-09-02 Naphtachimie Sa Procede de fabrication de catalyseurs pour la polymerisation des olefines
US4182691A (en) * 1976-03-08 1980-01-08 Toa Nenryo Kogyo Kabushiki Kaisha Titanium trichloride catalyst and process for the production thereof
CA1092087A (en) * 1976-05-24 1980-12-23 Ian A. Matheson Polymerisation catalyst
GB1578745A (en) * 1976-05-24 1980-11-12 Bp Chem Int Ltd Polymerisation catalyst component
JPS5391992A (en) * 1977-01-24 1978-08-12 Mitsubishi Chem Ind Ltd Production of olefin polymer
FR2381565A1 (fr) * 1977-02-23 1978-09-22 Naphtachimie Sa Catalyseurs de polymerisation des olefines
US4183826A (en) * 1977-03-07 1980-01-15 Toa Nenryo Kogyo Kabushiki Kaisha Titanium trichloride catalyst and process for the production thereof
FR2429227A1 (fr) * 1978-06-21 1980-01-18 Ato Chimie Procede pour la preparation de polymeres ou copolymeres d'alpha-olefines presentant un haut indice d'isotacticite
DE2841645A1 (de) * 1978-09-25 1980-04-03 Basf Ag Verfahren zum herstellen von homo- und copolymerisaten von alpha -monoolefinen
US4415714A (en) * 1979-01-02 1983-11-15 Conoco Inc. Catalyst and method for preparation of drag reducing substances
US4358572A (en) * 1981-05-07 1982-11-09 Conoco Inc. Method for the preparation of non-crystalline polymers of high molecular weight
US4493904A (en) * 1981-06-29 1985-01-15 Conoco Inc. Catalyst and method for preparation of drag reducing substances
US4525556A (en) * 1982-08-13 1985-06-25 The Dow Chemical Company Polymerization of olefins
FR2565591B1 (fr) * 1984-06-08 1986-08-29 Inst Francais Du Petrole Procede de fabrication d'un copolymere ethylene-butene-1 a partir d'ethylene

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2478066A (en) * 1944-04-20 1949-08-02 Shell Dev Polymerization of olefins in the presence of nitrogen compounds
US2473549A (en) * 1947-10-11 1949-06-21 Goodrich Co B F Method of polymerizing vinylidene compounds in aqueous medium in the presence of silver ion and oxalate ion
US2684954A (en) * 1951-05-22 1954-07-27 Goodrich Co B F Aqueous emulsion polymerization utilizing water-soluble salts of nu-dodecyl-beta-alanines
US2685577A (en) * 1952-05-21 1954-08-03 Standard Oil Co Ethylene polymerization process
US2758953A (en) * 1952-11-20 1956-08-14 Exxon Research Engineering Co Method of preparing an adhesive for bonding wood
DE1012460B (de) * 1953-11-17 1957-07-18 Dr Dr E H Karl Ziegler Verfahren zur Herstellung von hochmolekularen Polyaethylenen
DE1016022B (de) * 1954-01-19 1957-09-19 Dr Dr E H Karl Ziegler Verfahren zur Herstellung von hochmolekularen Polyaethylenen
CH363436A (de) * 1954-06-08 1962-07-31 Montedison Spa Als Folie, Faser oder Faden geformtes Erzeugnis und Verfahren zu dessen Herstellung
US2905645A (en) * 1954-08-16 1959-09-22 Du Pont Polymerization catalysts
BE551283A (es) * 1955-09-27
US2843577A (en) * 1955-10-17 1958-07-15 Standard Oil Co Process and catalyst for polymerization using polyvalent metal salts and a reducing agent plus a sulfur compound
US2912424A (en) * 1955-11-29 1959-11-10 Eastman Kodak Co Polymerization of alpha-olefins to solid polymers with catalytic mixtures of aluminum metal, a titanium compound and a tetra substituted ammonium salt
NL103545C (es) * 1956-01-18

Cited By (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3116274A (en) * 1956-01-18 1963-12-31 Basf Ag Production of olefine polymers
US3139418A (en) * 1957-12-23 1964-06-30 Montedison Spa Three component catalyst for polymerization of 1-olefins containing titanium halide, aluminum alkyl, and pyridine
US3219650A (en) * 1958-09-17 1965-11-23 Gulf Oil Corp Process for the polymerization of diolefins
US3219651A (en) * 1958-09-17 1965-11-23 Gulf Oil Corp Process for the polymerization of ethylene in the presence of a ziegler-type catalyst and as a catalytic modifter a polydentate compound
US3147238A (en) * 1959-04-27 1964-09-01 Shell Oil Co Olefin polymerization process
US3155626A (en) * 1959-08-17 1964-11-03 Shell Oil Co Polymerization catalyst
US3189591A (en) * 1960-04-28 1965-06-15 Montedison Spa Process for polymerizing alpha-olefins with an organo aluminum compound, transition metal halide, organo nitrogen base and water catalyst
US3100764A (en) * 1960-08-04 1963-08-13 Sun Oil Co Control of pentane-soluble polymers in the polymerization of propylene
US3168588A (en) * 1960-09-14 1965-02-02 Exxon Research Engineering Co Polymerized ethylene lubricating oils from alkanol modified catalysts
US3336280A (en) * 1960-10-14 1967-08-15 Phillips Petroleum Co Process for production of rubbery polymers
US3147240A (en) * 1960-10-17 1964-09-01 Eastman Kodak Co Three-component alkyl aluminum halide catalysts for olefin polymerization and olefinpolymerization process therewith
US3210329A (en) * 1960-10-24 1965-10-05 Monsanto Co Complex catalysts comprising organometallic compound, metallic halides and dioxane for the polymerization of polar monomers
US3340241A (en) * 1960-10-24 1967-09-05 Montedison Spa Process for producing elastomeric copolymers of ethylene with higher alpha-olefins
US3116273A (en) * 1960-10-31 1963-12-31 Phillips Petroleum Co Polymerization of butadiene with a mccl5-air3-ether or amine or amideiodine catalyst
US3099647A (en) * 1960-11-04 1963-07-30 Sun Oil Co Propylene polymerization catalyst consisting of aluminum sesquihalide, ticl3 and triethylene diamine
US3129209A (en) * 1960-11-14 1964-04-14 Sun Oil Co Process for the polymerization of alpha olefins
US3146224A (en) * 1960-11-25 1964-08-25 Eastman Kodak Co Process for producing reduced transition metal halides
US3108145A (en) * 1960-11-29 1963-10-22 Sun Oil Co Preparation of olefin polymers
US3252959A (en) * 1960-12-29 1966-05-24 Montedison Spa Process for the preparation of a supported catalyst for the stereospecific polymerization of alpha-olefins in vapor phase
US3205209A (en) * 1961-04-20 1965-09-07 Firestone Tire & Rubber Co Process for the polymerization of ethylenically unsaturated compound in the presenceof a pentahydrocarbon ammonium compound and a heravy metal compound
US3441551A (en) * 1961-05-01 1969-04-29 Avisun Corp Novel catalyst and olefin polymerization therewith
US3240770A (en) * 1961-05-02 1966-03-15 Snam Societa Per Azioni Process for the polymerization and copolymerization of alpha-mono-olefins
US3196137A (en) * 1961-06-23 1965-07-20 Firestone Tire & Rubber Co Polymerization catalysts and process
US3259610A (en) * 1962-02-12 1966-07-05 Ethyl Corp Polymerization process and catalyst therefor
US3206448A (en) * 1962-07-23 1965-09-14 Phillips Petroleum Co Polymerization process and catalyst
US3313741A (en) * 1962-09-28 1967-04-11 Gen Tire & Rubber Co Preparation of stabilized polymerization catalysts and their use
US3203940A (en) * 1962-10-04 1965-08-31 Hercules Powder Co Ltd Olefin copolymerization process
US3318859A (en) * 1962-10-26 1967-05-09 Stamicarbon Process for the preparation of polypropylene
US3296338A (en) * 1962-12-10 1967-01-03 Avisun Corp Block copolymers of ethylene and propylene
US3356668A (en) * 1963-01-10 1967-12-05 Solvay & Cie Soc En Commandite Process and catalyst for the polymerization of olefins
US3377326A (en) * 1963-08-26 1968-04-09 Uniroyal Inc Process for copolymerizing olefins utilizing vanadium oxytrichloride, alkyl aluminum sesquichloride, phosphorus trichloride and 2-nitropropane as catalyst
US3462399A (en) * 1963-08-26 1969-08-19 Uniroyal Inc Method of copolymerizing ethylene and propylene
EP0034935A1 (en) * 1980-02-21 1981-09-02 Sumitomo Chemical Company, Limited Titanium trichloride catalyst and process for production of alpha-olefin polymers
EP0035896A1 (en) * 1980-03-07 1981-09-16 Mitsui Petrochemical Industries, Ltd. Method for treating an olefin polymer to remove catalyst residue therefrom and shaped articles of the treated polymer
EP0072128A2 (en) 1981-08-07 1983-02-16 Imperial Chemical Industries Plc Spraying solid
EP0106141A1 (en) * 1982-09-10 1984-04-25 Montedison S.p.A. Catalyst components and catalysts for the polymerization of olefins
EP0116709A1 (de) * 1982-12-24 1984-08-29 BASF Aktiengesellschaft Verfahren zum Herstellen von Homo- und Copolymerisaten von alpha-Monoolefinen mittels eines Ziegler-Natta-Katalysatorsystems

Also Published As

Publication number Publication date
DE1026961B (de) 1958-03-27
NL213771A (es)
US3116274A (en) 1963-12-31
IT569041A (es)
DE1081227B (de) 1960-05-05
FR1171450A (fr) 1959-01-26
BE554242A (es)
NL103545C (es)

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